Trou Caché
Cavity located on a fault, also called "Faille du Grand Plat", whose development follows the entrance fault down to a narrow bottom.
EspeleoWorld
Trou Caché
Cavity located on a fault, also called "Faille du Grand Plat", whose development follows the entrance fault down to a narrow bottom.
Plateau d'Hauteville
Length: 300 m · Depth: 119 m
Updated record
https://espeleoworld.com/en/c/trou-cache-plateau-d-hauteville
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Cavity located on a fault, also called "Faille du Grand Plat", whose development follows the entrance fault down to a narrow bottom.
Description
Morphology
This cavity is also called the "Faille du Grand Plat". The cavity is indeed located on a fault.
From the entrance to -44 metres, the development takes place in a fault. The entrance is unstable; dirt and small stones easily fall into the entrance pit.
At -44 metres, two routes are possible: continuing in the fault, or taking a concretion-covered fossil gallery. The two networks join around -100 m. The cavity then continues to develop in the fault. The bottom becomes narrow.
Progression
The rigging description describes the cavity via the fossil gallery. On the classic route, bring an extra rope.
Other details
For more information, see the speleo01 journal of the CDS de l'Ain.
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Contains information from Grottocenter (Wikicaves), grottocenter.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · https://grottocenter.org/ui/entrances/350 · The derived data is available on request under the ODbL: [email protected] · data as of 2026 · Source: Grottocenter (Association Wikicaves), worldwide collaborative cave database (grottocenter.org), modified. CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ Grottocenter (Wikicaves) · Text by Frédéric Delegue (Description générale) · adapted by Espeleoworld (normalized, translated); the adaptation is licensed CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ · https://grottocenter.org/ui/entrances/350 · data as of 2026